Glossary of Applied Air HVAC Terminology

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Thermometer
An instrument used to detect differences in the level of heat.
Thermostat
A device that senses temperature change and changes some dimension or condition within to control an operating device.
Ton
A unit of measure for cooling capacity. One ton = 12,000 BTUs per hour.
Total Efficiency
A measure of an air movers efficiency based on its air horsepower in terms of flow and total pressure vs. required shaft input power.